erin? >> thank you very much. it goes to show, there are costs to some of these decisions, especially when tom put that in the context of what would be a lot of jobs. >>> and as lawmakers debate strengthening gun laws in this country, republican senator chuck grassley said something yesterday that, well, really caught our attention. and he said we're ignoring a major part of the problem, violent video games. here he is. >> there are too many video games that celebrate the mass killing of innocent people. games that despite attempts at industry self-regulation, find their way into the hands of children. >> that position mirrors the nra's. and according to open secrets, the nra has donated more than $28,000 to the senator since 1992. now, we invited senator grassley to come "outfront," but so far, he's declined. there's the saying that guns don't kill people, video games do. senator grassley implies they make kids more violent. does it add up? william pollack is a psychologist and author of "